This Technical Proceedings provides a record of the Fifth International Marine Debris Conference, a multi-disciplinary meeting that convened a global community of marine debris researchers, policy makers, advocates for ocean health, industry innovators, and artists in Honolulu, Hawai‘i, March 20–25, 2011. Citation: Carswell, B., K. McElwee, and S. Morison (eds.). 2011. Technical Proceedings of the Fifth International Marine Debris Conference. March 20–25, 2011. NOAA Technical Memorandum NOS-OR&R-38.